Mathew Jeffers, left, and his father, Michael Jeffers, pose for a photo with Ravens coach John Harbaugh during the Jeffers' visit to the team's training camp in Owings Mills in December.

Mathew Jeffers, left, and his father, Michael Jeffers, pose for a photo with Ravens coach John Harbaugh during the Jeffers' visit to the team's training camp in Owings Mills in December. (Photo courtesy Baltimore Ravens)

Mathew Jeffers, left, and his father, Michael Jeffers, pose for a photo with Ravens coach John Harbaugh during the Jeffers' visit to the team's training camp in Owings Mills in December.